Ametek
Amrani Hassan
Anderson Brian G.
Anderson Philip D.
Andrada Galan Mario
Andre P. Viret
Andreas P. T. H. Jentjens
Andrews Richard A.
Andrianus G. Bouwer
Appleby And Ireland Limited
Appleman Theodore C.
Appley Kenneth E.
Arad Measuring Technologies Ltd.
Arahara Kohzoh
Arakawa Satoshi
Aratsu Shuichi
Arens Robert P.
Arias Vidal Jose Luis
Arnason John D.
Arnold Robert W.